<template>
  <section>
    <!--工具条：高级查询 + 新增-->
    <el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
      <el-form :inline="true">
        <el-form-item>
          <el-input v-model="keyword" placeholder="请输入一个关键字"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" v-on:click="keywordquery" v-perm="'department:list'">查询</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="handleAdd" v-perm="'department:save'">新增</el-button>
        </el-form-item>
      </el-form>
    </el-col>


    <el-table :data="departments" highlight-current-row v-loading="listLoading" @selection-change="selsChange"
              style="width: 100%;">
      <el-table-column type="selection" width="55">
      </el-table-column>
      <el-table-column type="index" width="60">
      </el-table-column>
      <el-table-column prop="id" label="编号" width="100" sortable>
      </el-table-column>
      <el-table-column prop="sn" label="部门编号" width="100" sortable>
      </el-table-column>
      <el-table-column prop="name" label="部门名字" width="100" sortable>
      </el-table-column>
      <el-table-column prop="state" label="状态" min-width="100" sortable>
        <template slot-scope="scope">
          <span style="color: green" v-if="scope.row.state==1">正常</span>
          <span style="color: red" v-else-if="scope.row.state==0">停用</span>
          <span style="color: darkslategray" v-else>未知</span>
        </template>
      </el-table-column>
      <el-table-column prop="manager.username" label="部门经理" min-width="100" sortable>
      </el-table-column>
      <el-table-column prop="parent.name" label="上级部门" width="100" sortable>
      </el-table-column>
      <el-table-column label="操作" width="150">
        <template scope="scope">
          <el-button size="small" @click="handlesave(scope.$index, scope.row)" v-perm="'department:update'">编辑</el-button>
          <el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row )" v-perm="'department:delete'">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!--工具条：批量删除 + 分页栏-->
    <el-col :span="24" class="toolbar">
      <el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
      <el-pagination layout="prev, pager, next" @current-change="handleCurrentChange"
                     :page-size="pageSize" :current-page="currentPage" :total="totals" style="float:right;">
      </el-pagination>
    </el-col>

    <!--编辑对话框-->
    <el-dialog :title="title" :visible.sync="saveFormVisible" :close-on-click-modal="false">
      <el-form :model="saveForm" label-width="80px" :rules="saveFormRules" ref="saveForm">
        <el-form-item label="部门编号" prop="sn">
          <el-input v-model="saveForm.sn" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="部门名字" prop="name">
          <el-input v-model="saveForm.name" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="状态">
          <el-radio-group v-model="saveForm.state">
            <el-radio class="radio" :label="1">启用</el-radio>
            <el-radio class="radio" :label="0">禁用</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="部门经理">
          <!--<el-input v-model="saveForm.manager_id" auto-complete="off"></el-input>-->
          <el-select v-model="saveForm.manager_id" value-key="id" placeholder="请选择" clearable>
            <el-option v-for="item in managers"
                       :label="item.username"
                       :value="item.id">
              <span style="float: left">{{ item.username }}</span>
              <span style="float: right; color: #8492a6; font-size: 13px">{{ item.phone }}
            </span>
            </el-option>
          </el-select>

        </el-form-item>
        <el-form-item label="上级部门">
          <!--<el-input v-model="saveForm.parent_id" auto-complete="off"></el-input>-->
          <el-cascader v-model="saveForm.parent_id"
                       :options="deptTree"
                       :props="{
            	checkStrictly: true,
                label: 'name', // 级联框显示那个属性的值
                value: 'id',    // 回显时需要,回传值的时候也需要
                emitPath :false
            }" clearable>
          </el-cascader>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click.native="saveFormVisible = false">取消</el-button>
        <el-button type="primary" @click.native="saveSubmit" :loading="saveLoading">提交</el-button>
      </div>
    </el-dialog>
  </section>
</template>

<script>
export default {
  data() {
    return {
      //1.分页查询的模型数据
      departments: [],
      listLoading: false,
      currentPage: 1,
      totals: 1,
      pageSize: 5,

      // 高级查询
      keyword: null,

      page: 1,
      // 批量删除
      sels: [],//列表选中列


      saveFormVisible: false,//编辑界面是否显示
      saveLoading: false,
      title: '',
      saveFormRules: {
        name: [
          {required: true, message: '请输入部门名字', trigger: 'blur'}
        ],
        sn: [
          {required: true, message: '请输入部门编号', trigger: 'blur'}
        ]
      },
      //编辑界面数据
      saveForm: {
        id: null,
        sn:'',
        name: '',
        state: 1,
        manager_id: null,
        parent_id: null,
        parent: null
      },
      managers: [],
      //部门树
      deptTree: [],
    }
  },
  methods: {

    // 分页查询，获取数据
    getDepartments() {
      // 组装参数
      let paras = {
        currentPage: this.currentPage,
        pageSize: this.pageSize,
        keyword: this.keyword
      };
      // 显示加载框
      this.listLoading = true;
      //使用axios发送分页请求
      this.$http.post("/department", paras).then(res => {
        // 传入参数
        this.departments = res.data.data;
        this.totals = res.data.totals;
        this.listLoading = false;
      }).catch(res => {
        this.$message.error("访问人数太多，请稍后重试!!!");
      })
    },

    // 分页查询 - 点击分页栏触发方法
    handleCurrentChange(val) {
      this.currentPage = val;
      this.getDepartments();
    },

    // 高级查询
    keywordquery() {
      // 设置当前页未1
      this.currentPage = 1;
      this.getDepartments();

    },


    //性别显示转换
    formatSex: function (row, column) {
      return row.sex == 1 ? '男' : row.sex == 0 ? '女' : '未知';
    },
/*------------------------------------------------------------------------------------------------------------*/
    // 单个删除
    handleDel: function (index, row) {
      this.$confirm('确认删除该记录吗?', '提示', {
        type: 'warning'
      }).then(() => {
        this.listLoading = true;
        this.$http.delete("/department/" + row.id).then(res => {
          if (res.data.success) {
            // 计算总页数
            let totalPage = Math.ceil(this.totals / this.pageSize)
            if (this.currentPage == totalPage && (this.totals - 1) % this.pageSize == 0 && this.currentPage != 1) {
              this.currentPage = this.currentPage - 1;
            }
            this.getDepartments()
          } else {
            this.$message.error("！！！系统繁忙");// 发生500错误时
            this.listLoading = false;
          }
          this.listLoading = false;
        })
      }).catch(() => {
        //this.$message.error("系统繁忙!!!!!!!!!!!!!!!!");// 发生404错误时
      });
    },

/*--------------------------------------------------------------------------------------------------------------*/
    //显示编辑界面
    handlesave: function (index, row) {
      this.title = "修改"
      this.saveFormVisible = true;
      this.getManagers();
      this.getDeptTree();
      this.saveForm = Object.assign({}, row);
    },
    //显示新增界面
    handleAdd: function () {
      this.title = "新增"
      this.saveFormVisible = true;
      this.getDeptTree();
      this.saveForm = {
        id: null,
        sn:'',
        name: '',
        state: 1,
        manager_id: null,
        parent_id: null,
        parent: null,
      };
      this.getManagers();
      this.saveFormVisible = true;
    },

/*--------------------------------------------------------------------------------------------------------------------*/
    //编辑
    saveSubmit: function () {
      this.$refs.saveForm.validate((valid) => {
        if (valid) {
          this.$confirm('确认提交吗？', '提示', {}).then(() => {
            this.saveLoading = true;
            let paras = Object.assign({}, this.saveForm);
            this.$http.put("/department", paras).then(res => {
              if (res.data.success) {
                this.getDepartments()
                this.saveLoading = false;
              } else {
                this.$message.error("系统繁忙500");// 发生500错误时
                this.saveLoading = false;
              }
            }).catch(res => {
              this.$message.error("系统繁忙400");// 发生500错误时

            })
            // 关闭模态框
            this.saveFormVisible = false;
          });
        }
      });
    },
/*--------------------------------------------------------------------------------------------------------------------*/
    // 获取经理
    getManagers() {
      this.$http.get("/employee").then(res => {
        this.managers = res.data;
      })
    },
/*--------------------------------------------------------------------------------------------------------------------*/
    //获取部门树 - 无限级数
    getDeptTree(){
      this.$http.get("/department/deptTree").then(res => {

        this.deptTree = res.data;
      })
    },

/*--------------------------------------------------------------------------------------------------------------*/
    selsChange: function (sels) {
      this.sels = sels;
    },
    //批量删除
    batchRemove: function () {
      var ids = this.sels.map(item => item.id);
      this.$confirm('确认删除选中记录吗？', '提示', {
        type: 'warning'
      }).then(() => {
        this.listLoading = true;
        this.$http.patch("/department", ids).then(res => {
          this.listLoading = false;
          if (res.data.success) {// 若删除成功
            this.currentPage = 1;// 设置当前页为第一页
            this.getDepartments();// 查询
          } else {
            this.$message.error("批量删除失败【500】");
          }
        }).catch(res => {
          this.$message.error("系统错误【400,404】");
        })
      }).catch(() => {
      });
    }
  },
/*-------------------------------------------------------------------------------------------------------------*/
//获取部门经理 - 所有的员工

  mounted() {
    this.getDepartments();
  }
}

</script>

<style scoped>

</style>